Identifying Structure of an Atom

Subatomic Particles:  Reviewing the Main Ideas

Complete the following chart:
 
Particle  Location Mass (amu)  Charge
Proton 
Electron 
Neutron 
Find the Missing Number
Use your knowledge of atomic number and mass number to fill in the missing numbers:
 
Element
Atomic # 
Mass #
# of  Protons
# of Neutrons
# of Electrons
Iron 
26
56 
Sulfur 
16
32
Carbon
6
 .
6
Fluorine
19
9
Calcium 
20
40
Nitrogen
14
7
Copper
29
35
Sodium
23
11
Mercury
201
80
Silver 
            61            47
   
 
 
 
 
 
 

Answers
Complete the following chart:

Particle         Location             Mass (amu)             Charge
Proton             nucleus             1 amu                     positive
Electron         Electron cloud     1/1800 (1/2000)      negative
Neutron         nucleus               1 amu                     neutral
 

Find the Missing Number
Use your knowledge of atomic number and mass number to fill in the missing numbers:

Element                 Atomic #         Mass #         # of  Protons         # of Neutrons         # of Electrons
Iron                            26                 56                     26                         30                         26
Sulfur                         16                 32                     16                         16                         16
Carbon                         6                 12                       6                           6                           6
Fluorine                        9                 19                       9                         10                            9
Calcium                       20                 40                     20                         20                         20
Nitrogen                         7                 14                     7                             7                         7
Copper                         29                 64                     29                         35                         29
Sodium                         11                 23                     11                         12                         11
Mercury                         80               201                     80                       121                        80
Silver 47 108 47 61 47